Class 285/424 - Sheet

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter which includes material originally in sheet
No. of patents: 268
Last issue date: 05/08/2012

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Number	Title	Issue Date
8172280	Sheet metal corner for duct flanges In one embodiment, an improved high-speed corner flange connection member is disclosed which includes creases or bends allowing the leg portions to be bent or angularly deflected away from such creases downwardly so as to form a bowed configuration. In some embodime...	05/08/2012
7992904	Sealing mechanism for ductwork HVAC ductwork should be sealed along its joints in order to reduce air leakage. The ductwork can be sealed by the combination of a gasket and mechanical locking mechanism. ...	08/09/2011
7681930	Duct flange A flange for ductwork is integrally formed at a distal end of a duct surface. A first flange portion is formed perpendicularly outward from the duct surface. A second flange portion is bent at a right angle from the first flange portion and substantially parallel to...	03/23/2010
7490872	Corner piece-less duct, method of producing the same, and duct-forming machine A cornerplate-less duct includes plate members joined to each other at side end portions by a seam joint to form a tubular duct having a rectangular cross-section. Two end portions of a plate are bent perpendicular to a longitudinal direction of the plate to form fl...	02/17/2009
7393020	Connection of two pipes and sealing ring for the connection In a pipe connection, a first pipe has a first flange of sheet metal provided with a first wall connected circumferentially to the first pipe. A second pipe has an end section shaped as a second flange. A clamp engages across the first and second flanges and has con...	07/01/2008
7393021	HVAC duct system A duct system generally comprises a flexible duct; a fitting having an end including either an in-turned circumferential lip or a plurality of circumferentially arranged tabs; a collar having a first end and a second end, the first end being adapted to be secured to...	07/01/2008
7347224	Supply and exhaust pipe In order to provide a supply and exhaust pipe comprising a drop-off prevention mechanism, particularly effective for pipes with a large diameter, to increase bending strength and sealing efficiency, formation of a hemmed section A at an top edge of an insert portion...	03/25/2008
7344163	Trunking sections and coupling therefor A section of trunking (20) has sides (22) which define a channel (34). Edge portions (32) of sides (22) are shaped so as to form further channels (34); Lid (26) has surface (29) and edge portions (30) wh...	03/18/2008
7316098	Device and method for interconnecting framing components The present invention is a framing component interconnecting device that is particularly useful for interconnecting a spanning member and its supporting components. While the device may be used in a number of ways to facilitate frame construction, the preferred mode...	01/08/2008
7252310	Pipe coupling with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the co...	08/07/2007
7251918	Fixing bracket for joining wooden building components A fixing bracket is described for joining wooden building components to each other and to a substrate, particularly of the kind used for joining boards used to cover balconies and decks outdoors. It is essential that the fixing bracket is a double angle consisting o...	08/07/2007
7246826	Pipe lap joint with improved sealing slot for increased circumferential closure A pipe lap joint for use with vehicle exhaust systems which includes an inside pipe end telescopically inserted into an outside pipe end with the pipe ends secured together by a band clamp. The outside pipe end includes a sealing zone having a collapsible sealing sl...	07/24/2007
7234734	Integral transverse flanges for a duct connecting system An integral transverse flange for a duct includes a first upturned portion extending substantially perpendicularly from a duct wall of the duct. The flange further includes a second portion bent rearwardly from the first upturned portion, and a third return portion ...	06/26/2007
7216898	Flanged connector for HVAC ducting Flanged rings for the connection end-to-end of thin, double walled circular ducting includes a first generally-circularly shaped ring having an outer insertion flange for connection to the outer wall of the double-walled duct. The first ring also includes: an exteri...	05/15/2007
7195290	Apparatus for a fire-rated duct A duct system comprising duct sections which are factory manufactured and field modifiable. The field modifiable duct system comprises fire resistant materials and is fire-rated. The duct sections when assembled create a continuous conduit that allows air to flow fr...	03/27/2007
7163030	Rectangular and square double wall ducting systems A duct structure (510), includes lengths of double wall square/rectangular duct (532) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utili...	01/16/2007
7164086	Electrical connector By providing a cover member which is pivotally mounted to the base member and is constructed for being automatically securely affixed to the base member by frictional and locking engagement therewith, an efficient, easily manufactured and easily assembled conduit/ca...	01/16/2007
7114301	Flashing for inclined roof and method for installing the same Disclosed is a flashing for weatherproofing an aperture made in an inclined roof to allow passage of a vertical member such as chimney through the inclined roof. This flashing has a base member adapted to be mounted over the aperture and a surrounding member that is...	10/03/2006
7104104	Rectangular and square ducting systems A duct structure (50), includes lengths of square/rectangular duct (52) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utilizing expandabl...	09/12/2006
7100634	Liquid collection basin connection assembly An assembly for connecting two adjacent liquid collection basins is provided. The assembly includes a flume for connecting a first liquid collection basin to a second liquid collection basin. The flume comprises a generally rectangular structure having a top section...	09/05/2006
7073826	Butt joint between two pipe segments of sheet metal and process for manufacture thereof Butt joint between two pipe segments (10) of sheet metal with circular or oval cross-section, which respectively exhibit on one end a connecting flange (32), formed one-piece with the adjacent pipe wall (12), for producing the butt joint with an...	07/11/2006
7059346	Liquid collection basin connection assembly An assembly for connecting two adjacent liquid collection basins is provided. The assembly includes a flume for connecting a first liquid collection basin to a second liquid collection basin. The flume comprises a generally rectangular structure having a top section...	06/13/2006
7029037	Apparatus for connecting and sealing duct sections An apparatus (10) for connecting and sealing duct sections is adapted for connecting and sealing round ducts (100), round oval ducts (200), and other commonly used ducts. The apparatus includes first and second connectors. Each connector include...	04/18/2006
7025393	Pipe coupler with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the con...	04/11/2006
7022914	Electrical connectors By providing an integrated base member and cover member, with the cover member being easily arcuately pivotable along one edge and easily fastened to the base member along the opposed edge, an easily manufactured and easily assembled conduit/cable connector is reali...	04/04/2006
7018127	Connector for joining two lengths of sheet metal ducting together end-to-end and the two pieces of sheet metal A connector for joining two pieces of sheet metal together end-to-end. A second wall and a first wall define a first channel therebetween, into which a ledge extends, and which lockingly receives one piece of sheet metal, by virtue of at least one reverse button loc...	03/28/2006
6973724	Method for making a tubular element and resulting tubular element A method for making a tubular element, in particular a motor vehicle front cross member (1), for forming at least an air conduit (2,3,4) including at least two half-shells (5,6) assembled on two outer longitudinal edges (5a, 6	12/13/2005
6908115	Combined register opening cover and register boot frame A register opening cover may be used to cover register openings until the register boot is installed in the register opening. During the installation of the register boot, the invention may be used to hold the register boot in place until the register boot is secure...	06/21/2005
6901969	Plugs for use in conduits to reinforce air conditioning ducts, and methods of manufacture and use A method and apparatus for reinforcing duct work is provided. In one embodiment, a reinforcement comprises a conduit having a first end and a second end. A pair of plugs is insertable into the first and second ends of the conduit. Each of the plugs has a groove exte...	06/07/2005
6871879	Fan duct assembly A fan duct assembly includes a fan duct (200), a panel (600), and a locking plate (700). One end of the fan duct defines a rectangular opening (204) with a peripheral flange (220). A pair of ribs (224) is formed on one side ...	03/29/2005
6832786	Tubular member coupling device A device for coupling tubular members including a sheet member having a first end and a second end where the first end and the second end are operatively arranged to overlap one another to form a substantially cylindrically shaped coupling, an abutment member mounte...	12/21/2004
6830065	Duct connector apparatus and method The duct connector of the present invention preferably has a rectangular inlet and a round outlet. An intermediate passage is located between the rectangular inlet and the round outlet. Preferably, the intermediate passage provides a smooth transition that is substa...	12/14/2004
6811192	Apparatus and associated method for joining and sealing conduits The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The s...	11/02/2004
6810570	Method of attaching a connector element to a duct flange A duct assembly for transporting pressurized fluid therethrough. The assembly includes first and second duct sections. Each of the duct sections has sides extending between opposite ends. Each of the sides join an adjacent side and has a flange extending laterally o...	11/02/2004
6796585	Bellows for a compensator and compensator pertaining thereto and method for producing bellows A bellows for a compensator as an elastic connection between two duct connection pieces or flange frames arranged from each other in the longitudinal direction is presented. The bellows contains a cavity arrangement between an outer wall, an inner wall, and curved s...	09/28/2004
6766832	Transitional telescoping plenum apparatus The present invention provides a transitional telescoping plenum apparatus that is intended to facilitate the interconnection of HVAC equipment to duct systems. The unit expands in length, width and height directions, and is composed of modular tier sections. Each m...	07/27/2004
6758502	Coupling ring for ventilation ducts, and method of connecting ventilation ducts A flanged coupling ring for a duct element has a mounting section configured to be mounted or a connection portion of the duct element, and flange means extending outwards from the mounting section. The flange means has, along its periphery, flanged coupling portion...	07/06/2004
6736406	Self-adhesive gasket A self-adhesive gasket having a pressure sensitive adhesive on one side or on both sides can be used in place of plumbers putty to seal sinks to countertops, faucets to sinks, and strainers and pop ups to sinks and tubs. The gasket is preferably preformed from a fle...	05/18/2004
6709021	Tubular member coupling device A device for coupling tubular members including a sheet member having a first end and a second end where the first end and the second end are operatively arranged to overlap one another to form a substantially cylindrically shaped coupling, an abutment member mounte...	03/23/2004
6691473	Apparatus and method for sealing a vertical protrusion on a roof A pipe boot having a vertical portion adapted to surround a predetermined portion of the pipe to be covered, the vertical portion having a top end and a bottom end, wherein the top end has a top opening and wherein the bottom end has a bottom opening; a b...	02/17/2004

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Class 285/424 - Sheet